It's about one-seven-thousand-five-hundredth the number of Copies of Michael Jackson's Thriller Sold (2011).

In other words, the count of Copies of Michael Jackson's Thriller Sold (2011) is 7,700 times 8,400.

(sales figures as of 1990) (1982 release)
Michael Jackson's Thriller, the best-selling album of all time, has sold over 66 million copies since its release. Following its release in 1982, the album â€” which contains hits like "Thriller," "Beat It," and "Billie Jean" â€” won eight (8) Grammy Awards in 1984.